GTViewer vs DokuMan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GTViewer
This application allows users to download and view geospatial data on Apple devices without an internet connection. It functions similarly to a web-based counterpart but is designed for offline use.
- Offline geospatial data viewing
- Downloadable data
- Apple device compatibility
- Geospatial data visualization
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GTViewer downloads geospatial data for viewing on an Apple device like GTWeb, but in an offline fashion.
DokuMan
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Moving to Germany is exciting. The paperwork is not. Steuer-ID, Anmeldung, Krankenversicherungsnummer, Rentenversicherungsnummer, IBAN - Germany has a number or document for everything. And when you need one, you need it right now, at the counter, under pressure, with someone staring at you. DokuMan is the one place where all of it lives. Store your documents Personalausweis, Reisepass, Meldebescheinigung, Führerschein, Aufenthaltstitel - scan them once, find them instantly. Organized by category so nothing gets buried. Keep your numbers at your fingertips Steuer-ID, Rentenversicherungsnummer, Krankenversicherungsnummer, IBAN, Kundennummer - stored with a one-tap copy button. No more digging through emails or old PDFs. Scan paper documents Turn paper letters and forms into clean PDFs in seconds. Everything in one place, digital and organized. Built for life in Germany Not a generic document scanner. Not a cloud drive. DokuMan is designed specifically around German bureaucracy - the documents Germans actually carry, and the numbers German authorities actually ask for. Stop leaving the Bürgeramt empty-handed. Download DokuMan and get organized before your next appointment.
Screenshots
Verdict
The clearest difference is in-app purchases: GTViewer at none against DokuMan's 1. GTViewer also leads on update cadence (monthly vs every 2 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DokuMan sells 1 one-off in-app purchase. GTViewer asks for nothing beyond the download.
GTViewer ships an update monthly, DokuMan every 2 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.
| Parameter | GTViewer | DokuMan |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 25 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Graphic Technologies, Inc. | Aleksandrs Bertulis |
In-app purchases
GTViewer
No in-app purchases
DokuMan
- DokuMan Pro - Lifetime$6.99









